50×0.25×0.2简算和1.25×0.25×0.2和6.08×99+6.8

50×0.25×0.2
=50×0.2×0.25
=10×0.25
=2.5
1.25×0.25×0.2
=1.25×0.2×0.25
=0.25×0.25
=0.625
6.08×99+6.8
=6.08×99+6.08+0.72
=6.08×（99+1）+6.8
=608+0.72
=608.72
15.2×2.4+1.52×76
=1.52×24+1.52×76
=1.52×（24+76）
=1.52×100
=152
1.25×0.25×32
=1.25×0.25×8×4
=（1.25×8）×（0.25×4）
=10×1
=10